Parquet flooring



Patented Nov. 16, 1926.

testata eine'.

LEOPOLD Lron'.rnnrrutn,v or vienna, AsTnIA.

PARQET FLOORING. i y

Application filed May as, 1923, serial No. 641,690, and in Austria rune 1, 1922.1

The ordinary parquetry pieces (variously known as'plates, slabs, squares, strips, etc., according to their shape and thickness) that make up a. parquetry floor, have been manufactured hithertoby gluing j the parquetry 'veneers (of a thickness of from to 10 millimetres) upon a tongued and grooved under-plate composed of a frame about 25 to 35 mm. thick, filled in with grooved panels so that the ordinary `parquetry piece has al thickness varying from 35 to 40 mm. These parquetry pieces are f fixed on to the under-floor by means of nails drivenlthrough the lower side of the groove of the parquetry piece obliquely into the under-floor.

The present invention has for its object to provide an improved parquet-ry piece (hereinafter called an improved method of fixing such parquetry plate upon the under-floor.V

The improved parquetry plate according to this invention is manufactured as follows: i

The parquetry veneers are assembled t0- gether so as to constitute the parquetry design, on a support or grid composed of parallel battens upon which the veneer sections are' Vglued closely together in such a manner that portionsy of the grid-battens project on all four sides beyond the assembled veneering orv sections of veneering.

A parquetry plate thus formed, is fixed in placeby being laid lupon the underfloor in such a manner that the grid-battens cross the boards of the under-floor, and then the projecting portions of the grid-battens are nailed to the under-floor.

The several parquetry pla-tes beinglaid so that the adjacent ends of their grid-bat-V tens abut against one another intersection channels are thus formed between the veneer sections of the plates, and these channels are filled-in with parquetry strips which are mitred at 90 where the ends of four such strips meet at one point. These parquetry strips cover up the joints between the projecting portions of the grid-battens and thus give the appearance of ordinary parq'uetrv fiooring. The parquetry strips are fixed by gluing upon the meeting ends of the grid-battens. j One embodiment of this invention is illustrated by way of example in the accompanying drawings in which- Figures 1 to 3 show an improved pars parquetry plate?) and4 quetry Hoor in various stages of construction. Figure l being al plan, and Figures 2 and 3 being sections taken along the lines Ar and B5B respectively of Figure 2.

Figure 4 is a perspective view of an improved parquetry plate as shown separately. The parquetry plates are, composed each o'f a grid built of parallel battens in on which .sections n of veneering of a thickness of 5 to 7 millimetres arefixed by means of waterproof glue. Portions of the grid battens m project beyond all of the edges of the sections nto an extentequal to about one-half thewidth ofthe r'p 'arquetry strips that are to be laid between theA several parquetry plates. The laying of the' several parquetry plates Vupon' an under-floor 'a ris effected by laying them'close together so that their grid-battens m' with their ends touching one another, cross the yboards a of the under-floor yat an angle of 45. `The portions of the grid-battens m projecting from all four sides ofthe sections n olf' each parquetry plate arethen nailed to the u nder-Hoor a, so that each parquetry plate (n, m) -is lixed to the under-floor a by means ot a comparatively large number of nails. A,The mutually intersecting channels O formed between the veneer sections n after the parquetry plates have been vnailed down, are then filledup by the insertion of parquetry strips/ havingthe same 'thickness as the ,sections n of the parquetry plates.v These strips it are mitred at'QOF, at their ends so that every four meeting strips constitute a completecross .Y A l j The strips L are fixedk by gluingwith waterproof glue on the projecting portions at' the grid-batterie. j

The advantages of this improved arquetry lie in the saving in material andp labour, in the complete prevention of warping, and in the'Y entire absence of joints.

The saving in wood is ducto the fact that in ordinary parquetry the frame alone must have a thickness of 30 mm. in order to give sullcient thickness to the sides of the tonguegrooves.

The saving in labor is due to the fact that the ordinary parquetry piece comprises a grooved frame with panelling let into the latter, whereas the support of the improved parquetry plate consists merely of a plurality of grid=battens which can theircorrect position very easily by means of templates er jigs, and the veneer sections -be brought into 'lun may be glued upon these gri d-battenfs Whilst the latter are in the said posit-ion. c

The advantages affordedby the improved parquetry flooring in respect of their mode of fixing and of the absence ot' joints, are due to the tact that in the ordinary parquetry iiooring the several parquetry pieces had to be fixed by means of nailsVV driven obliquely into the grooves, and this Work had to 'be done very carefully in order to avoid breaking or; the lower sides of the tongue-grooves, and consequently it'yvas advisable to restrict the number of the nails to be driven.

NOW, in 'contradistinction to that usual, but really irrational, method ot fixing, the fixing of the improved parquetry plates is done by nailing the ends of the grid-battens directly on to the under-floor, so that the fixing adopted in carrying this invention into eiect is very strong and techically cor rect. f

This very strong lining orn the parquetry plates is further increased by thel `feature that the butting ends of the grid-battens are fastened together by the parquetry strips Which are glued upon them and which cover the joints between the said grid-hatten ends7 so that entire parquet/ry of parts glued together.

Since the parquetry strips are glued upon the grid-batten ends, no interstices remain between the edges of the sections of adjacent parquetry plates and the parquetry strips, so that the improved parquetry flooring is entirely free from the interstices which it is almost impossible to prevent from occurring between the parquetry pieces ot the ordinary parquetry flooring notwithstanding the greatest care exercised in laying such or-.

' dinary flooring. l

A, tur her advantage ot the improved'par- Vquentry Flooring consists in the fact that the 'crossed arrangement of the grid-batterie relatively to Ythe boards of the under-floor has the result or' almost Wholly preventing the Wood from warping. Y Y

flooring is composed The improved parquetry plates as hereinbefore described and shown separately in Figure ll, can be used With equally greatadvantage for the construction of ceilings and Wainscot. In both those cases, it is quite suiiicient to tix to the ceiling or to the Wall, a framing of boards or slats to servevas a support (analogous to the under-floor hereinbefore mentioned) for the several parquetry plates. parquetry strips upon the projecting gridbatten ends will provide a parquetry having no interstices. Y

The improved parquetiy is also applicable in the manufacture of doors and furniture.

Having now particularly described andascertained the nature of my said invention and in what manner the same is to be performed, l declare that what I claim is:

l. A parquetry plate comprising a gridlike support composed oit a plurality of battens arranged in spaced and sections ot Vveneering secured upon the battens in such manner that portions of all ot the battens project beyond all of the edges or' the section of veneering. A

2. A parquetry flooring comprising a foundation of suitably spaced parallel slats, a plurality of parquetry plates arranged in rows diagonallyot' the slats and each com- Vaosed ot a aluralit of battensV forming a grid-like support, a section of veneerin'g glued to the battens so that portions of the ends andrsides of the battens project beyond all of the sections of veneering leaving intersecting channels between the adjacent'sections of veneering inthe several plates, and strips of veneering secured in said channels so as to vabut adjacent strips as Well as the edges ot the 'sections of veneering and having the upper vsurfaces flush with the sections ot veneering,r and the battens of each plate Vbeing being arranged to cross the slats ot the foundation.

In testimony whereof I ai'lLiXV my LEOPL signature.

DV LioHTnNrnLn.

In these cases also the gluing of theV parallel relation, 

